import community # this is pip install python-louvain
import networkx as nx
import matplotlib.pyplot as plt

# Replace this with your networkx graph loading depending on your format !

# using graph g as a completed graph, weights between 0 and 1

#first compute the best partition
partition = community.best_partition(g)

#drawing
size = float(len(set(partition.values())))
pos = nx.spring_layout(g)
count = 0.
for com in set(partition.values()) :
    count = count + 1.
    list_nodes = [nodes for nodes in partition.keys() if partition[nodes] == com]
    nx.draw_networkx_nodes(g, pos, list_nodes, node_size = 20, node_color = str(count / size))


nx.draw_networkx_edges(g, pos, alpha=0.1)

plt.show()